body {
    /*background-image:url(../images/back.png);*/
    margin:1px;
}

#main {
    width: 1024px;
    margin: 0 auto;
}

#mainCabecera{
    width: 100%;
    height: 160px;
}

#mainBienvenida{
    width: 100%;
    height: 20px;
    padding-bottom: 1px;
    padding-top: 1px;
    
}

#mainMenu {
    width: 20%;
    height:auto;
    float: left;
}

#mainCuerpo {
    width: 80%;
    height:auto;
    float: right;
    background: white;
}

#mainFoot{
    width: 100%;
    height: 60px;
    clear: both;
    padding-top: 20px;
    vertical-align: middle;
    
}
